26880255

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2141}}^1$

素因数の和:2189

約数の個数: 40

約数和(自身を含む): 49762944

約数和(自身を除く): 22882689

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 2141, 2511, 4185, 6423, 10705, 12555, 19269, 32115, 57807, 66371, 96345, 173421, 199113, 289035, 331855, 597339, 867105, 995565, 1792017, 2986695, 5376051, 8960085, 26880255]

約数ペア:

[(1, 26880255), (3, 8960085), (5, 5376051), (9, 2986695), (15, 1792017), (27, 995565), (31, 867105), (45, 597339), (81, 331855), (93, 289035), (135, 199113), (155, 173421), (279, 96345), (405, 66371), (465, 57807), (837, 32115), (1395, 19269), (2141, 12555), (2511, 10705), (4185, 6423)]